goddamn, smithing is almost impossible to bring to 100 after the patch! They went from too easy to way to hard!! I need iron ore, to create gold ore, to create gold rings but noone is selling this shit! I need proper gear to grind some levels and bethesda is making progression in each and every smithing level a crawl! goddamn!
Just keep in mind that the value of what you are smithing is a driver of your skill increases now. To hit 100 on my last few characters I did two things:
1) Keep a few of each ore type on me, and improve all the gear I found before selling it. Advancing Ebony gear will move the bar quite a ways, for example. Especially if you have a few points into the first perk.
2) Just clear out the supplies at an armory and do a smithing session with everything they sold you. I'd get into loops where I'd sell my loot from a dungeon run, then use up all the gold I earned (and then some) buying ore from an armorer, and then forge/improve good gear and sell it back, making most if not all of my original gold back.
By making that a part of my normal post-dungeon/quest loop, I'd level smithing 1-2 times every time my character leveled, keeping it apace. It also helped it not feel like a grind.